在网格图中,每个小正方形的边长都为1,四边形
的四个顶点都在格点上.
(1)
与
是否垂直?请说明理由;
(2)求四边形
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/9/b44832e0-f963-4acb-b60a-a50c2d85765c.png?resizew=154)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
(2)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
更新时间:2023-07-06 12:51:54
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解答题-作图题
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【推荐2】如图,△ABC各顶点的坐标分别为A(1,1),B(4,2),C(3,4).经过平移,△ABC的顶点平移到点A′(-3,-1)处.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/17/d632698f-e4ca-4d06-a63d-77884142bbaa.png?resizew=252)
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解答题-作图题
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【推荐1】如图,正方形网格中的每个小正方形边长都是1,每个小格的顶点叫做格点,在现有网格中,以格点为顶点,分别按下列要求画出图形.
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(2)在图2中,画一个钝角三角形,使它的面积为3.5.
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解答题-作图题
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【推荐2】如图,在
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(1)若
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解答题-作图题
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名校
【推荐1】如图,在平面直角坐标系中,已知
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(1)将
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解答题-证明题
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适中
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【推荐2】如图,
ABC的三个顶点在正方形网格的格点上,网格中的每个小正方形的边长均为单位1.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/c756c7ff-156c-4a30-97e2-e25b2c745583.png?resizew=187)
(1)求证:
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(2)在图中画一条线段DE,使DE=AB,且D、E两点落在正方形网格的格点上;
(3)求点B到AC的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4cba95fc7d4853a243f8e3fb20ce70.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/c756c7ff-156c-4a30-97e2-e25b2c745583.png?resizew=187)
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(2)在图中画一条线段DE,使DE=AB,且D、E两点落在正方形网格的格点上;
(3)求点B到AC的距离.
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